Rear I/O Module CP-RIO6-05
CP605
Page A - 22
© 2004 Kontron Modular Computers GmbH
ID 25095, Rev. 07
2509
5.07.UG.VC.041005/14253
9
Legend for Backplane J5 Table
Table A-21: Backplane J5 Signal Functions
SIGNAL
FUNCTION
Control signals
COM1_ENABLE 1)
Serial port 1 enable signal for front I/O and rear I/O
Low = Front I/O
High = Rear I/O
COM2_ENABLE 1)
Serial port 2 enable signal for front I/O and rear I/O
Low = Front I/O
High = Rear I/O
GPLED 1)
General purpose LED output (TH/GP or LED2, depending on configuration,
see table 4-24, I/O Configuration Register)
RIOPRESENT 1)
Low = rear I/O module is present
High = rear I/O module is not present
This signal must be set on the rear I/O module to GND
Ethernet
TDP1 2)
Ethernet high transmit Data line
TDN1 2)
Ethernet low transmit Data line
RDP1 2)
Ethernet high receive Data line
RDN1 2)
Ethernet low receive Data line
USB port 1
USB1+/- 3)
USB data differential data signals
Serial Port 1
S1* 4)
Serial port signals; TTL level
Serial Port 2
S2* 5)
Serial port signals; TTL level
Serial Port 4
S4* 6)
Serial port signals; TTL level
FAN control
FANPWM 7)
DAC output that can be used to control fan speed; 0V to +1.25V output
FANSENSE1/2 7)
Schmitt Trigger fan tachometer inputs; TTL level
VGA CRT signals
ROUT 8)
Red signal
GOUT 8)
Green signal
BOUT 8)
Blue signal
HSYNC 8)
Horizontal Sync.
VSYNC 8)
Vertical Sync.
PMC Rear I/O signals
